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Help CenterOil-Impregnated Sintered Bronze Bushing, Ductile Iron Backing, 0.5mm Tolerance, 50mm Length
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Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer of precision metal components. Our Oil-Impregnated Sintered Bronze Bushing with Ductile Iron Backing is engineered to deliver reliable, low-maintenance performance in demanding industrial applications. With a tight 0.5mm tolerance and 50mm length, this bushing offers consistent dimensional accuracy and long service life, making it an ideal choice for machinery that requires minimal friction and wear.
The unique combination of sintered bronze infused with oil and a robust ductile iron backing provides excellent load-bearing capacity and self-lubricating properties. This design reduces the need for frequent lubrication, lowers maintenance costs, and extends equipment uptime. Our factory has exported over US$5 million annually to markets across North America, South America, Europe, Asia, and Africa, ensuring global quality standards are met.
Key Features & Technical Specifications
- Material: Sintered bronze (porous structure) with oil impregnation + ductile iron backing for high strength and wear resistance.
- Dimensional Precision: Tolerance of ±0.5mm ensures consistent fit in housings.
- Self-Lubricating: Oil stored in sintered pores is released during operation, reducing friction and heat.
- Load Capacity: Ductile iron backing provides excellent compressive strength, suitable for heavy loads.
- Low Maintenance: Extended service intervals due to continuous oil supply.
- Corrosion Resistance: Bronze alloy offers good resistance to environmental corrosion.
- Customizable: Length, tolerance, and oil type can be tailored to specific requirements.
| Parameter | Specification |
|---|---|
| Length | 50 mm |
| Tolerance | ±0.5 mm |
| Backing Material | Ductile Iron (GGG grade available) |
| Bearing Surface | Oil-Impregnated Sintered Bronze |
| Operating Temperature | -20°C to +150°C (customizable) |
| Oil Type | Mineral oil / synthetic oil (optional) |
| Application Examples | Conveyor systems, pumps, agricultural machinery, automotive suspension |
Advantages for Your Business
- Reduced Downtime: Self-lubricating design minimizes maintenance stops, increasing overall productivity.
- Cost Savings: Lower frequency of oil replacement and longer bushing life reduce total ownership costs.
- Reliable Performance: Consistent oil delivery ensures stable friction coefficients even under varying loads.
- Versatile Integration: Standard 50mm length and 0.5mm tolerance fit many existing designs without modification.
- Global Logistics: Shipped from Tianjin, Qingdao, Shanghai, or Foshan ports, with fast delivery to over 15 international markets.
We have been supplying these bushings to industries ranging from automotive to heavy machinery since 1998, with an annual export value exceeding US$5 million. Our factory in Hengshui, Hebei, employs advanced sintering and machining techniques to ensure every bushing meets strict quality control. Over the years, we have built lasting partnerships with clients in North America, Europe, Southeast Asia, and beyond.
Choose our Oil-Impregnated Sintered Bronze Bushing with Ductile Iron Backing for a component that combines durability, precision, and low maintenance. Contact us today to discuss your exact requirements or request a sample for testing.
Frequently Asked Questions
Q1: What is the maximum load capacity of this bushing?
A: The load capacity depends on the specific application and operating conditions. Generally, the ductile iron backing supports high compressive loads, while the sintered bronze layer provides excellent wear resistance. For exact load ratings, please provide your shaft diameter and expected load, and we can calculate a suitable design.
Q2: Can I use this bushing in a high-temperature environment?
A: The standard operating temperature range is -20°C to +150°C. For higher temperatures, we can use synthetic oil or special bronze alloys. Please contact us with your temperature requirements for a customized solution.
Q3: How long does the oil last before needing re-impregnation?
A: The oil-impregnated sintered bronze provides continuous lubrication for extended periods. In many applications, the bushing can operate for thousands of hours without additional lubrication. The actual lifespan depends on load, speed, and temperature. We recommend periodic inspection; if the bushing appears dry, re-impregnation can be performed.
Q4: Do you offer custom lengths or tolerances?
A: Yes, we can customize the length, tolerance, and even the iron backing grade to meet your specifications. Minimum order quantities may apply for custom dimensions. Please send your drawing or requirements for a quotation.
Q5: Is this bushing suitable for underwater or moist environments?
A: The sintered bronze has good corrosion resistance, but prolonged exposure to water may wash out the oil. For wet environments, we can supply bushing with sealed oil or use alternative materials. Please advise on your specific conditions.
Q6: What is the typical lead time for this product?
A: Standard lead time is 15-25 days after order confirmation, depending on quantity. We can expedite for urgent orders. Our factory is located in Hengshui, Hebei, with convenient access to major ports like Tianjin and Qingdao.
Q7: Do you provide samples for testing?
A: Yes, we offer samples for customer evaluation. Sample cost and shipping are negotiable. Once you confirm the design, we can produce bulk orders with consistent quality.
Q8: How do you ensure quality consistency?
A: We have a dedicated quality control team that checks dimensions, oil content, and material hardness for each batch. Our manufacturing process is documented and traceable. With over 25 years of experience, we maintain rigorous standards to meet customer expectations.
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